Thirty friends were on a hiking trip when they decided to enjoy the bonfire. They assembled for it and agreed to play a game. For that, they divided themselves into five teams with seven members each, forming five rows.

How did they manage to achieve this formation?

What is next number in the pattern below:

131 517 192 123 ?

Three people check into a hotel. They pay $60 for the rent of the room. After they check-in, the manager realize that the rent for the room is $55. So, he gives $5 to the bellboy and asks him to give it to them. The bellboy thinks that it will be difficult for the three people to share $5 among them and seeking the personal benefit, he pockets $2 and gives the remaining $3 to them.

Now, each person paid $20 and got back $1. In this manner, each of them paid just $19 which totals to the amount of $57. The bellboy has $2 with him and adding them, we get $59. So where is the remaining $1?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

Can you count the number of matches in the picture below ?

I am white when I am dirty, and black when I am clean. What am I?

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

How many times in a given day, minutes and hour clock comes in a straight line ?